body {
  margin: 0px;
}
/*
上方的logo图片和菜单，左右布局，垂直居中
*/
.top-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #eff4fa;
  padding: 0.6rem 1.8rem;
  /* border-方向表示单独设置该方向的边框 */
  border-bottom: 1px solid #d6dfea;

  color: #b6b6b6;
  font-size: 0.7rem;
}

/* 超链接样式 */
a {
  color: #225592;
  text-decoration: none;
  font-size: 0.7rem;
}

a:hover {
  text-decoration: underline;
}

/* 下方版权和备案信息 */
.bottom-box {
  position: fixed;
  left: 0px;
  bottom: 0px;

  background-color: #eff4fa;
  border-top: 1px solid #d6dfea;

  padding: 0.5rem;
  width: 100vw;
  text-align: center;

  color: #868686;
  font-size: 0.7rem;
}

/* 最后一样样式 */
.last-line {
  padding-top: 0.5rem;
}
.last-line a {
  color: #868686;
}

/* 中间区域布局 */
.center-box {
  display: flex;
  align-items: center;
  margin-top: 3rem;
}

/* 中间左边区域 */
.center-left-box {
  flex: 6;
  /* 左边要靠右 */
  display: flex;
  justify-content: flex-end;
  margin-right: 2rem;
}

/* 中间右边区域 */
.center-right-box {
  flex: 4;
  display: flex;
}

/* 左边表单的边框效果 */
.form-box {
  border: 1px solid #a0b1c4;
  border-radius: 5px;
}

/* 第一行样式 */
.line1 {
  display: flex;
  background-color: #f9fbfe;
  padding: 1rem;
  border-bottom: 1px solid #a0b1c4;
  justify-content: space-around;
  /* 单独设置角落圆角 */
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
}

/* 输入框特效 */
.input-box {
  border: 1px solid #96a5b4;
  padding: 0.5rem;
  margin: 1rem 1.5rem;
}

.input-box > input {
  outline: none;
  border-width: 0px;
  width: 15rem;
}

.input-box:focus-within {
  border-color: #4892e7;
}

/* 自动登录 */
.auto-box {
  padding: 0.5rem;
  margin: 1rem 1.5rem;
  font-size: 0.8rem;
}

/* 模拟按钮 */
.btn {
  background-color: #5a98de;
  border-radius: 2px;
  text-align: center;
  color: #fff;
  font-weight: bold;

  padding: 0.5rem;
  margin: 1rem 1.5rem;
}

.btn:hover {
  background-color: #6ba9ef;
  cursor: pointer;
}

.qrcode {
  padding: 0.5rem;
  margin: 1rem 1.5rem;
  text-align: center;
}

.links {
  padding: 0.5;
  margin: 2rem 1.5rem 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
}
